- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use of air currents for screening
- F24F 11/85 - Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using variable-flow pumps
Patent holdings for IPC class F24F 11/85
Total number of patents in this class: 176
10-year publication summary
|
8
|
20
|
25
|
19
|
18
|
21
|
10
|
19
|
12
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 44851 |
24 |
| Tyco Fire & Security GmbH | 3297 |
13 |
| Lennox Industries Inc. | 1099 |
12 |
| Trane International Inc. | 1153 |
8 |
| Daikin Industries, Ltd. | 9838 |
7 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 546 |
7 |
| Midea Group Co., Ltd. | 4300 |
6 |
| Carrier Corporation | 4451 |
4 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1661 |
3 |
| Haier US Appliance Solutions, Inc. | 3359 |
3 |
| Intelligent Growth Solutions Limited | 27 |
3 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2340 |
3 |
| Copeland LP | 674 |
3 |
| CIMBERIO HOLDING S.r.l. | 21 |
3 |
| Samsung Electronics Co., Ltd. | 139001 |
2 |
| LG Electronics Inc. | 71039 |
2 |
| NTT Facilities, Inc. | 40 |
2 |
| Azbil Corporation | 464 |
2 |
| Belimo Holding AG | 257 |
2 |
| GREE Electric Appliances, Inc. of Zhuhai | 3154 |
2 |
| Other owners | 65 |